I think the correct answer from the choices listed above is option D. The Delhi Sultanate lost control of northern Indian when a period of disunity began after European merchants took control of major port cities of India. Hope this answers the question.
The classical period spanned from 600 B.C.E to 600 C.E.
I think the answer is C not sure tho :)
Answer:
Leadership, Safety & Security, Boundary Lines, Goal, Production and Sustenance